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POLLINATION SEASONS FOR MAINE
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Pollen Count Begins April 1st
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POLLEN
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SEASON START DATE
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PEAK
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SEASON END DATE
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Cedar
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April 1st
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Not Stated
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May 5th
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Poplar
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April 1st
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April 4th - April 28th
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May 9th
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Alder
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April 1st
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April 3rd - April 22nd
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April 28th
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Birch
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April 1st
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April 27th - May 16th
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May 25th
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Maple
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April 1st
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May 4th - May 7th
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May 19th
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Hickory / Beech
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May 6th
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May 14th - May 18th
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May 25th
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Oak
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May 11th
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May 19th - May 23th
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June 2nd
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Pine Family
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May 6th
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June 5th - June 20th
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July 29th
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Grasses
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June 5th
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July 2nd - July 10th
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August 31st
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Ragweed
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July 30th
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August 17th - September 6th
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September 30th
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